// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_PATH_H_
#define CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_PATH_H_

#include <string>
#include <vector>

#include "base/logging.h"
#include "base/strings/string16.h"
#include "content/common/content_export.h"
#include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBTypes.h"

namespace content {

class CONTENT_EXPORT IndexedDBKeyPath {
public:
    IndexedDBKeyPath(); // Defaults to blink::WebIDBKeyPathTypeNull.
    explicit IndexedDBKeyPath(const base::string16&);
    explicit IndexedDBKeyPath(const std::vector<base::string16>&);
    IndexedDBKeyPath(const IndexedDBKeyPath& other);
    ~IndexedDBKeyPath();
    IndexedDBKeyPath& operator=(const IndexedDBKeyPath& other);

    bool IsNull() const { return type_ == blink::WebIDBKeyPathTypeNull; }
    bool operator==(const IndexedDBKeyPath& other) const;

    blink::WebIDBKeyPathType type() const { return type_; }
    const std::vector<base::string16>& array() const;
    const base::string16& string() const;

private:
    blink::WebIDBKeyPathType type_;
    base::string16 string_;
    std::vector<base::string16> array_;
};

} // namespace content

#endif // CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_PATH_H_
